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Jasil 2-piece secondary gear up kit for scooters using a Piaggio 125cc 2-stroke engine. (Press fit gears ONLY)
This 15/41H ratio will help to increase your top speed and stop your tuned scooter from over revving.
Perfect if you have a 172cc kit fitted.
*Made in Portugal.
Jasil 6011316
You can use them on the rolling nut engines, but only if it has the press fit gears, some of them are spline fit so you need to check your current gears first.
As soon as we get new stock for Secondary Gear Up - Runner 125 FX/SP 2T, we'll send you an email.